SanDisk microSD™, microSDHC™ and microSDXC™ cards
OEM Product Manual
2.5
January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements
2
1.2
Features
General features of cards in the SanDisk microSD Memory Card Product Family
include:
•
Up to 64 GB
1
of data storage
•
SD - protocol compatible
•
Supports SPI Mode
•
Targeted for portable and stationary applications for secured (content protected)
and unsecured data storage
•
Voltage range of 2.7 to 3.6V
•
Variable clock rate 0-25 MHz (standard), 0-50 MHz (high performance), 0-100
MHz (Ultra High Speed)
•
Up to 50 MB/sec* data transfer rate (using four parallel data lines)
•
Memory field error correction
•
Content protection mechanism that complies with highest security of SDMI
standard
•
Password protection
•
Built-in write protection features (permanent and temporary)
•
Supports card detection (insertion and removal)
•
Application-specific commands
1.3
Scope
This document describes key features and specifications of the SanDisk microSD
cards as well as the information required to interface these products to a host system.
Chapter 2 describes the physical and mechanical properties of cards in the SanDisk
microSD Card Product Family, Chapter 3 contains the pins and register overview, and
Chapter 4 gives a general overview of the SD protocol. Information about SPI
Protocol can be referenced in Section 7 of the SDA Physical Layer Specification,
Version 3.01.
1.4
SD Card Standard
SanDisk microSD memory cards are fully compatible with the SDA Physical Layer
Specification, Version 3.01. This specification is available from the SD Card
Association (SDA).
SD Card Association
2400 Camino Ramon, Suite 375
San Ramon, CA 94583 USA
Telephone: +1 (925) 275-6615
Fax: +1 (925) 886-4870
E-mail: [email protected]
Web site: www.sdcard.org
